Properties of the Number 1616

One Thousand Six Hundred Sixteen

Basics

Value: 1615 → 1616 → 1617

Parity: even

Prime: No

Previous Prime: 1613

Next Prime: 1619

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 101

Divisors: 1, 2, 4, 8, 16, 101, 202, 404, 808, 1616

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010000

Octal: 3120

Duodecimal: B28

Hexadecimal: 650

Square: 2611456

Square Root: 40.19950248448356

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Doublets: base-10 representation is the juxtaposition of two identical strings. A20338

Number of integer partitions of n with an alternating permutation. A345170

Generalized 14-gonal numbers: m*(6·m-5), m = 0,+1,-1,+2,-2,+3,-3,... A195818

a(n) = (3·n² - n - 2)/2. A115067

Product of the 4th power of a prime (A030514) and a different prime (p⁴*q). A178739

Multiples of 16 containing a 16 in their decimal representation. A121036

Number of integer partitions of n with integer alternating product. A347446

a(n) = n*(n²+3·n-1)/3. A84990

Number of ways to place non-intersecting diagonals in convex n-gon so as to create no triangles. A46736

Triangle T, read by rows, such that T(n,k) equals the (n-k)-th row sum of T^k, where T^k is the k-th power of T as a lower triangular matrix. A91351